REAR brake woes, wtf! |
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REAR brake woes, wtf! |
Loser_Cruiser |
Jul 3 2008, 12:43 AM
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#1
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Member Group: Members Posts: 407 Joined: 4-April 05 From: Bellingham, WA Member No.: 3,873 Region Association: Pacific Northwest |
I just wanted to change my rear pads, that was like 5 hours ago and now im in my kitchen with the caliper on my table. First problem was that stupid inside brake adjuster cover. Now that I have that off I can't get the inside piston to go all the way back inside the caliper so I can put the new pad in. Whats stopping it from goiing in. I followed the directions from the pelican parts section by the way.
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davep |
Jul 3 2008, 07:49 AM
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#2
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914 Historian Group: Benefactors Posts: 5,151 Joined: 13-October 03 From: Burford, ON, N0E 1A0 Member No.: 1,244 Region Association: Canada |
Since the inner adjuster is geared, it works in reverse to normal action; think left hand thread not right hand thread.
The inner mechanism is supposed to be locked into a groove in the piston. There are many times that is is pulled out of that groove, and then the adjuster will not be able to function. To correct that you need to turn the adjuster clockwise to move the mechanism out; listen for the snap as the lock ring falls into the groove, so do this in a quiet environment. In many cases it is best to adjust the piston right out of the bore. Sometimes you can get the piston to move freely, but if not then try turning the adjuster clockwise a few turns, pull back on the lever to force the piston out, turn adjuster and repeat until the lever no longer moves the piston. Carefully wiggle the piston from the bore. Clean the piston with a green scrubbie, and rinse with alcohol. Carefully clean the bore outside of the sealing ring where most of the corrosion occurs. Lubricate the piston with a little fresh fluid, and reinstall. Keep pressure on the piston as you turn the adjuster counter-clockwise; the piston must move as you turn the adjuster. There are special tools that can be used to apply this pressure. |
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